import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken, removeToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import { filterAsyncRouter } from '@/store/modules/permission'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()
  // removeToken()

  console.log('hasToken', hasToken)
  if (hasToken) {
    console.log('to.path', to.path)
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      if (!store.getters.loadMenus) {
        // 修改成true，防止死循环
        store.dispatch('user/updateLoadMenus').then(res => { })
        loadMenus(next, to)

        // next()

        // store.dispatch('user/getInfo').then(res => { // 拉取info
        //   console.log('2222')

        //   const roles = res.roles
        //   store.dispatch('permission/generateRoutes', { roles }).then(() => { // 生成可访问的路由表
        //     store.getters.addRoutes.length > 0 && router.addRoutes(store.getters.addRoutes) // 动态添加可访问路由表
        //     next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
        //   })
        // }).catch(err => {
        //   console.log(err)
        // })
      } else {
        next() // 当有用户权限的时候，说明所有可访问路由已生成 如访问没权限的全面会自动进入404页面
      }

      // try {
      //   // get user info
      //   store.dispatch('user/getInfo')

      //   next()
      // } catch (error) {
      //   // remove token and go to login page to re-login
      //   await store.dispatch('user/resetToken')
      //   Message.error(error || 'Has Error')
      //   next(`/login?redirect=${to.path}`)
      //   NProgress.done()
      // }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

export const loadMenus = (next, to) => {
  const menus = JSON.parse(localStorage.getItem('menuItems'))
  const asyncRouter = filterAsyncRouter(menus)

  asyncRouter.push({ path: '*', redirect: '/404', hidden: true })
  store.dispatch('permission/GenerateRouters', asyncRouter).then(() => { // 存储路由
    console.log(asyncRouter, 'asyncRouter')
    router.addRoutes(asyncRouter) // 动态添加可访问路由表
    console.log(router)
    next({ ...to, replace: true })
  })
}

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
